Long Lane, Stanwell (49.9 MW battery storage)
Long Lane, Stanwell is a 49.9 MW battery storage project in Spelthorne, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 18 July 2025, not yet built; the record was last updated on 29 July 2025.
49.9 MWbattery storage
approved, not builtstatus in REPD
29 July 2025record last updated
Spelthornecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 23 December 2024 | Application submitted |
| 18 July 2025 | Planning permission granted |
| 18 July 2030 | Permission due to expire (unless work starts) |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 49.9 MW
- Status (REPD)
- approved, not built
- Record last updated
- 29 July 2025
- Operator or applicant
- Harwood Project One Limited
- Planning authority
- Spelthorne
- Planning application reference
- 24/01541/FUL
- Address (REPD)
- E/O Long Lane, Stanwell, Staines
- Council area (by location)
- Spelthorne
- Time to decision
- 30 weeks
- Name in REPD
- Long Lane, Stanwell - Battery Energy Storage
- REPD reference
- 17929
Earlier applications for this site
| Application | MW | Submitted | Outcome |
|---|---|---|---|
| Long Lane, Stanwell 23/00059/FUL | — | 17 January 2023 | refused 27 October 2023 |
Who decides
Spelthorne has 6 decided solar, wind or battery applications in REPD — too few for a refusal rate (we show one from 10 decisions). Across all UK planning authorities 19% of 10,236 decisions were refusals.
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Land south of Holloway Lane | solar farm | 5 | application withdrawn | 4.5 |
| Sipson Road | solar | 6.2 | refused | 4.9 |
| Battery Energy Storage System | battery storage | 200 | approved, not built | 5.0 |
| Twynersh Meadows, Thorpe Road Solar Park & Battery Storage | solar farm | 5.5 | application submitted | 7.1 |
Status and dates as recorded in the Renewable Energy Planning Database (July 2026 extract); the database is compiled from public sources and can lag behind council decisions. Location: REPD grid reference (51.4505, -0.4661).